AOT 47 Call for Proposals. Deadline Nov 25^th, 2022

CALL FOR PROPOSALS TNG and REM

The available time offered at TNG via INAF-TAC is 37 (thirty-seven) nights in this call. We encourage applicants to submit proposals asking a row of consecutive nights to be done in visitor mode. All proposals will be judged strictly on their scientific merit. The foreseen schedule breakdown is reported at the bottom.

Since the new HARPS-N agreement has not yet entered into force, LARGE PROGRAMS cannot be requested answering this AOT47 call. The PI of the ongoing AOT37 Large Program is requested to submit the final report, with deadline Friday February 3rd, 2023. Instructions will follow separately. We plan to open the call for new Large Programs in AOT48.

On the other hand, LONG-TERM PROGRAMS can be requested answering this AOT47 call, see below.

We will be accepting (few) Directory Discretionary Time proposals during the whole semester (http://www.tng.iac.es/observing/director_time_policy.html), which will be judged by the TNG staff in few days. These observations will be performed in Service Mode only.

New application forms and detailed instructions can be downloaded from the TNG web pages (http://www.tng.iac.es/submit.html). The text of the Scientific Rationale has to be restricted to 1 page only. One extra-page allowed for Long-Term proposals, please follow instructions to fill it properly.

The PIs (ex officio) and CoIs (from 2 to 5) could be used as external reviewers for the other proposals in this or next call (Box 16).

Incomplete computation of the overheads, poor target visibility in the semester, too dense monitoring are recurrent weaknesses pointed out when assessing the technical feasibility.

Queueing mode is not available. Filler programs cannot be implemented.

Important information for a more careful preparation of the proposals are reported at https://tngweb.tng.iac.es/call/info.html

Objects included in the TNG Protected Target List (http://www.tng.iac.es/observing/protected.html) cannot be requested.

TNG is a 3.58-m optical/infrared telescope located at Roque de Los Muchachos Observatory in the island of La Palma (Canary Islands). Its primary mirror is corrected by Active Optics and it is equipped with instruments for imaging and spectroscopy, spanning the optical and near infrared wavelengths range.
The offered instruments are: HARPS-N, NICS, DOLORES and GIANO-B (GIANO in Nasmyth B).
SiFAP2 is also offered as a visitor instrument (see below).
The observing mode GIARPS, simultaneously combining HARPS-N and GIANO-B, is also offered (see below).
For further details, visit http://www.tng.iac.es

REM is a 60-cm robotic telescope located at La Silla ESO site (Chile) which can observe simultaneously with a visible and an infrared camera. The observations will be carried out in unmanned, queuing mode. INAF-TAC will allocate up to 1000 hours of observations.
REM is equipped with ROS2 visible camera and REMIR infrared camera. The two are observing simultaneously thanks to a dichroic.
ROS2 will produce simultaneous images in the four Sloan-like passbands g, r, i, z. Charged time is therefore not the sum of ROS2 and REMIR, but the greater between the two.
For details, see http://www.rem.inaf.it

LONG-TERM PROGRAMS at TNG

In this call the TNG re-opens observing time to less time-demanding programs, but still having the need to extend over a few consecutive semesters to be completed and/or to ensure the necessary follow-up. The "Long Term" programs must be able to strictly address major open problems in modern astrophysics (all topics are eligible), characterizing the TNG role in the next 1-2 years. The basic features of these "Long Term" programs are:

• Programs may extend up to 3 semesters, and use a maximum of 30 hours per semester.
• Programs can only use any of the permanently installed instruments at TNG.
• The Principal Investigator (PI) and least 50% of the participants must be affiliated to Italian Institutions. In the field of optical/infrared observations of Target of Opportunity objects, a worldwide collaboration is particularly encouraged.
• The INAF-TAC can reduce a Long-Term Program to a regular one to be executed in a single semester.

NATIONALITY RESTRICTIONS APPLY

INAF-TAC is receiving only Italian proposals for TNG, defined as PI and at least half of participants being affiliated to an Italian Institution. Non-Italian proposals, from Nordic community included, should be submitted following the TransNational Access provided by the OPTICON-Radionet Pilot project. This is valid for Italian teams requesting the Nordic Optical Telescope, too. Indeed, we remind that the Nordic counterpart decided to not continue in the time-sharing agreement between TNG and NOT.

The Nationality restriction does not apply to REM proposals.

SiFAP2 offered as a visitor instrument at TNG

The high-temporal resolution photometer SiFAP2 is available as a visitor instrument at the TNG. It is not a common-user instrument, but it will be supported in two slots of maximum 27 hours each in May 2023 and August 2023. Target visibility has to take this into account. Moreover, before submitting the proposal, the proponent team must contact the SiFAP2 PI Alessandro Papitto (alessandro.papitto@inaf.it) for a technical validation. Publications based on SiFAP2 data must include builders as co-authors. For more information about SiFAP2 and the available observing modes (photometry and linear polarimetry) see http://www.tng.iac.es/instruments/sifap2/.

The observational mode GIARPS at TNG

The light from the telescope is split into visible and infrared domains by means of a dichroic. The former feeds as usual HARPS-N, the latter is beamed into the new preslit of GIANO-B. The slit of GIANO-B is directly feed through a new optical relay instead of the previous fiber fed preslit. For efficiency and for overheads, please use the old GIANO page and recipe to prepare your proposals. They will serve as upper limit.

For those proposals wishing to use the dual GIARPS mode, please tick both HARPS-N and GIANO-B boxes in the submission form, and state it clearly in the text. Proponents must also report the respective total HARPS-N and GIANO-B observing times. The greater value will constitute the effective time request of the proposal. For technical reasons, please indicate the preferred instrument.

AOT 47 TIME BREAKDOWN

For sake of completness, we report the foreseen TNG-time breakdown for the AOT47 semester:

• 37 nights for the INAF-TAC (this call)
• 34 nights ongoing INAF Large Program
• 40 nights Harps-N Consortium GTO
• 31 nights Spanish CAT
• 10 nights OPTICON-Radionet Pilot project, TransNational Access
• 7 nights CCI International Time Program

REM available time is 1000 hours.

Ennio Poretti

Director
Telescopio Nazionale Galileo
Fundacion Galileo Galilei - INAF

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